NAND-16

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A working computer built from 277,248 NAND gates, designed in a single prompt.

byMatt Shumer

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Description

A fully functional computer architecture built from scratch starting at the logic gate level, featuring a custom CPU, memory, assembler, and a tiny operating system. It includes a 3D visualization that allows users to zoom from a playable game down to individual signal flows within the gates.

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Details

Why this is interesting: Extraordinary one-shot build that spans from basic logic gates to a functional OS and 3D visualization, proving…
Attributed to: @mattshumer_
Built with: Opus 5.5
Links: somethingbig.ai
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Tags: #simulation #hardware #visualization #one-shot

Discovered: X
First posted: X · Sep 27, 2026
Listed: Added 14h ago
Build: Strong
Models: Strong

Prompt

build a working computer from scratch, entirely in code, starting from individual logic gates. design the CPU, the memory, an assembler, a tiny operating system, and a game that runs on it. everything has to be real, the game has to run on your gates, not in javascript pretending. visualize the whole thing in 3D so i can play the game, then zoom all the way down through the chips into the gates and watch the signals flow while it runs. treat it like you're proving you could have invented computing yourself. go all out.

Source

NAND-16

Description

How it grew

NAND-16

Description

How it grew